On Fri, Apr 19, 2019 at 05:30:48PM +0200, Oleg Nesterov wrote: > On 04/19, Christian Brauner wrote: > > > > +int main(int argc, char *argv[]) > > +{ > > + int ret = EXIT_FAILURE; > > + char buf[4096] = { 0 }; > > + pid_t pid; > > + int pidfd, procfd, statusfd; > > I think you need to initialize pidfd = 0 in this version ;) Otherwise, Yes, you are right. Seems I got saved by the compiler since I compile a kernel and run a test even when i just change the commit message. :) Will fix that up and add your Reviewed-by but I think I spare everyone a v4 for this if that's ok. > > Reviewed-by: Oleg Nesterov <oleg@xxxxxxxxxx> Thank you! Christian